【Premium Material】The screw knob is made of high-quality bakelite and copper with smooth edges, rust and corrosion resistant, sturdy and durable. 【Comfortable Design】The star-shaped knobs have a comfortable grip, ergonomic design and anti-slip effect without scratching your hands, easy to use in daily life. 【Easy to Use】The large star screw knobs are made of bakelite for a comfortable grip, full-thread screw design and beautiful appearance for easy installation, disassembly and adjustment. 【Wide Applications】M8 internal thread wing nuts are widely used in mechanical equipment, furniture decoration, machine tools, industrial equipment, electronic equipment, etc. 【Package Includes】You will get a total of 14 pieces of M8 star knob nuts. A good accessory to replace your old or broken knob handles.